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1N4738A BK
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1N4738A BK Encyclopedia Entry

Product Overview

The 1N4738A BK is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and stabilization in electronic circuits. This diode exhibits characteristics such as precise voltage regulation, low impedance, and high reliability. The package of the 1N4738A BK is typically through-hole, and it is available in various packaging quantities to suit different application needs.

Specifications

  • Voltage: 8.2V
  • Power Dissipation: 1.0W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4738A BK has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Precise voltage regulation
  • Low impedance
  • High reliability
  • Quick response time

Advantages and Disadvantages

Advantages

  • Provides stable voltage regulation
  • Suitable for various electronic applications
  • Reliable performance

Disadvantages

  • Limited current handling capacity
  • Susceptible to thermal runaway if not properly heat-sinked

Working Principles

The 1N4738A BK operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

The 1N4738A BK is widely used in: - Voltage regulators - Power supplies - Signal clamping - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4738A BK include: - 1N4739A BK (9.1V) - 1N4740A BK (10V) - 1N4741A BK (11V)

In conclusion, the 1N4738A BK Zener diode is a reliable component for voltage regulation in electronic circuits, offering precise regulation and high reliability. Its application spans across various industries, making it a versatile choice for engineers and designers.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 1N4738A BK dalam penyelesaian teknikal

  1. What is the 1N4738A BK?

    • The 1N4738A BK is a Zener diode with a voltage rating of 8.2V.

  2. What are the typical applications of the 1N4738A BK?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  3. What is the maximum power dissipation of the 1N4738A BK?

    • The maximum power dissipation is 1.3W.

  4. What is the operating temperature range of the 1N4738A BK?

    • The operating temperature range is typically -65°C to +200°C.

  5. What is the forward voltage drop of the 1N4738A BK?

    • The forward voltage drop is approximately 1.2V.

  6. What is the reverse leakage current of the 1N4738A BK at its rated voltage?

    • The reverse leakage current at the rated voltage is typically 5μA.

  7. Can the 1N4738A BK be used for voltage regulation in power supplies?

    • Yes, it can be used for voltage regulation in low-power applications.

  8. Is the 1N4738A BK suitable for precision voltage references?

    • It is not ideal for precision voltage references due to its relatively high tolerance.

  9. How does the 1N4738A BK provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (8.2V), it conducts heavily, limiting the voltage across the circuit.

  10. Are there any specific considerations for using the 1N4738A BK in technical solutions?

    • It's important to consider its tolerance, power dissipation, and thermal characteristics when designing circuits.